lc5876 Sanyo Semiconductor Corporation, lc5876 Datasheet - Page 3

• Manufacturer Part Number: lc5876
• Description: On-chip Eprom Microcomputer 4-bit Single Chip Microprocessor With Lcd Driver, 12 Kbytes Of Eprom And 1 Kbit Of Ram On-chip
• Manufacturer: Sanyo Semiconductor Corporation

Pin Assignments
Note: 1. The TST pin must be connected to V
System Block Diagram
RAM
ROM
DP
BNK
APG
AC
ALU
PIn No.
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
2. When mounting the LC58E76, do not use solder dip techniques.
: Data memory
: Program memory
: Data pointer register
: Bank register
: RAM page flag
: Accumulator
: Arithmetic and logic unit
COM2
COM1
CUP1
CUP2
RES
INT
SO1
SO2
SO3
SO4
A1
A2
A3
A4
P1
P2
P3
P4
XTOUT
XTIN
Symbol
I/O, serial I/O
ports
I/O ports
I/O ports
PIn No.
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
SS
in normal operation.
V
V
V
V
CFIN
CFOUT
S1
S2
S3
S4
K1
K2
K3
K4
M1
M2
M3
M4
N1
N2
B
OPG
PC
IR
STS1
STS2
STS3
LC58E76 System Block Diagram
DD
DD
SS
DD
2
1
Symbol
Input ports
I/O ports
I/O ports
Output ports
: B register
: ROM page flag
: Program counter
: Instruction register
: Status register 1
: Status register 2
: Status register 3
LC58E76
PIn No.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
N3
N4
TST
Seg1
Seg2
Seg3
Seg4
Seg5
Seg6
Seg7
Seg8
Seg9
Seg10
Seg11
Seg12
Seg13
Seg14
Seg15
Seg16
Seg17
Symbol
Output ports
STS4
STS5
PLA
WAIT.C : Wait time counter
PIn No.
: Status register 4
: Status register 5
: Program logic for
segment data and strobes
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Seg18
Seg19
Seg20
Seg21
Seg22
Seg23
Seg24
Seg25
Seg26
Seg27
Seg28
Seg29
Seg30
Seg31
Seg32
Seg33
Seg34
Seg35
COM4
COM3
Symbol
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